import { BehaviorSubject, Observable } from 'rxjs';
export declare abstract class ObservableContextService<T> {
    protected loader: BehaviorSubject<boolean>;
    protected subject: BehaviorSubject<T>;
    readonly Context: Observable<T>;
    readonly Loading: Observable<boolean>;
    constructor();
    protected loading(loading: boolean): void;
    protected defaultValue(): T;
}